News Briefs Sinik Leaves UBS for Towerbrook By PE Hub Staff - 14 April 2008 Share A- A+ 100% John Sinik has quit as UBS AG's head of global leveraged finance, in order to join the London office of Towerbrook Capital Partners. UBS has not yet named a replacement. Towerbrook is in the midst of raising $2.5 billion for its latest fund. www.towerbrook.com